Factors of 20 - All 6 Factors & Factor Pairs of 20

Exact Answer

1, 2, 4, 5, 10, 20

Total Factors

Number Type

Composite Number

Smallest / Largest

1 and 20

Sum of Factors

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Step-by-Step Solution: Factors(20) = 1, 2, 4, 5, 10, 20

Step 1

Find All Integers That Divide 20 Evenly

Test integers from 1 up to √20 (4.47). Every divisor with remainder 0 gives a factor pair of 20.

Factors of 20: 1, 2, 4, 5, 10, 20

Summary & Alternative Representations

Property / Format	Value
Total Factors	`6`
Number Type	`Composite Number`
Smallest / Largest	`1 and 20`
Sum of Factors	`42`

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Frequently Asked Questions

How many factors does 20 have?

20 has 6 positive factors: 1, 2, 4, 5, 10, 20.

Is 20 a prime number?

No, 20 is a composite number with 6 factors.